发明人唐晓军,陈志强,罗永刚. "Method for the Synthesis of Ethyl 6-hydroxy-1H-indole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109181316 B, 授权公告日 2019-07-12.
发明人刘建华,孙丽萍,李文辉. "A Process for Preparing High-Purity Ethyl 6-hydroxy-1H-indole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113485158 A, 授权公告日 2020-08-18.
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